﻿using bleissem.CMWVS.Commands;
using CMWVS.Core;
using EnvDTE;
using EnvDTE80;
using Microsoft.VisualStudio;
using Microsoft.VisualStudio.OLE.Interop;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.Win32;
using System;
using System.ComponentModel.Design;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.InteropServices;

namespace bleissem.CMWVS
{
    /// <summary>
    /// This is the class that implements the package exposed by this assembly.
    ///
    /// The minimum requirement for a class to be considered a valid package for Visual Studio
    /// is to implement the IVsPackage interface and register itself with the shell.
    /// This package uses the helper classes defined inside the Managed Package Framework (MPF)
    /// to do it: it derives from the Package class that provides the implementation of the
    /// IVsPackage interface and uses the registration attributes defined in the framework to
    /// register itself and its components with the shell.
    /// </summary>
    // This attribute tells the PkgDef creation utility (CreatePkgDef.exe) that this class is
    // a package.
    [PackageRegistration(UseManagedResourcesOnly = true)]
    // This attribute is used to register the information needed to show this package
    // in the Help/About dialog of Visual Studio.
    [InstalledProductRegistration("#110", "#112", "1.0", IconResourceID = 400, LanguageIndependentName = "CMWVS")]
    [ProvideAutoLoad("ADFC4E64-0397-11D1-9F4E-00A0C911004F")]
    [ProvideBindingPath]
    // This attribute is needed to let the shell know that this package exposes some menus.
    [ProvideMenuResource("Menus.ctmenu", 1)]
    [Guid(GuidList.guidCMWVSPkgString)]
    public sealed class CMWVSPackage : Package
    {
        /// <summary>
        /// Default constructor of the package.
        /// Inside this method you can place any initialization code that does not require
        /// any Visual Studio service because at this point the package object is created but
        /// not sited yet inside Visual Studio environment. The place to do all the other
        /// initialization is the Initialize method.
        /// </summary>
        public CMWVSPackage()
        {
            Debug.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering constructor for: {0}", this.ToString()));
        }

        /////////////////////////////////////////////////////////////////////////////
        // Overridden Package Implementation

        #region Package Members

        /// <summary>
        /// Initialization of the package; this method is called right after the package is sited, so this is the place
        /// where you can put all the initialization code that rely on services provided by VisualStudio.
        /// </summary>
        protected override void Initialize()
        {
            Debug.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering Initialize() of: {0}", this.ToString()));
            base.Initialize();

            RegisterCommands();
        }

        #endregion Package Members

        /// <summary>
        /// This function is the callback used to execute a command when the a menu item is clicked.
        /// See the Initialize method to see how the menu item is associated to this function using
        /// the OleMenuCommandService service and the MenuCommand class.
        /// </summary>
        private void MenuItemCallback(object sender, EventArgs e)
        {
            // Show a Message Box to prove we were here
            IVsUIShell uiShell = (IVsUIShell)GetService(typeof(SVsUIShell));
            Guid clsid = Guid.Empty;
            int result;
            Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(uiShell.ShowMessageBox(
                       0,
                       ref clsid,
                       "CMWVS",
                       string.Format(CultureInfo.CurrentCulture, "Inside {0}.MenuItemCallback()", this.ToString()),
                       string.Empty,
                       0,
                       OLEMSGBUTTON.OLEMSGBUTTON_OK,
                       OLEMSGDEFBUTTON.OLEMSGDEFBUTTON_FIRST,
                       OLEMSGICON.OLEMSGICON_INFO,
                       0,        // false
                       out result));
        }

        private void RegisterCommands()
        {
            // Add our command handlers for menu (commands must exist in the .vsct file)
            OleMenuCommandService mcs = GetService(typeof(IMenuCommandService)) as OleMenuCommandService;
            IVsUIShell uiShell = (IVsUIShell)GetService(typeof(SVsUIShell));
            DTE2 dte2 = (DTE2)GetService(typeof(DTE));

            if ((null != mcs) && (null != dte2) && (null != uiShell))
            {
                Application app = new Application();
                app.RegisterDefaults();
                app.Resolver.Register<IVsUIShell>(uiShell);
                app.Resolver.Register<DTE2>(dte2);

                MainViewModel mvm = app.MainViewModel;

                CommandCreator cc = new CommandCreator(mvm, app.Resolver);

                mcs.AddCommand(cc.Create<BuildCommand>());
                mcs.AddCommand(cc.Create<RebuildCommand>());
                mcs.AddCommand(cc.Create<CleanCommand>());
                mcs.AddCommand(cc.Create<OptionsCommand>());
                mcs.AddCommand(cc.Create<AboutCommand>());
            }
        }
    }
}